At present, in China, small bag packaging machinery is mainly divided into two types: roller type and plywood type. Both packaging machines have their own advantages. The following mainly introduces the characteristics and development trends of roller-type small bag packaging machinery.

Different user companies have different requirements for bag packaging equipment, so the selection of equipment depends on the needs of the enterprise. For example, if the product is a powdery food enterprise, because of its large production volume and single variety, the packaging machinery is required to have stable performance and high speed. The NT-110 single-roller powder packaging machine from Nets is well suited to meet these requirements because of the many unique designs on the equipment: first, the longitudinal and transverse seals are completed on the same pair of rolls and are compact. Secondly, it changed the way of the traditional vertical packaging machine to move the film vertically, and changed the film to a certain angle. Thirdly, it is also an important point of Zui, using the gate type feeder. When the vertical packaging machine packs the powder, the powder falls into the bottom of the bag for a certain period of time. At this time, the phenomenon of powdering and engraving is easy to occur, which affects the packaging speed and quality. The gate type hopper can solve this problem very well. It has a gate at the top and penetrates the bottom of the bag. When the powder falls into the gate hopper, the gate opens, avoiding the phenomenon of powder and jamming. The packaging speed is also greatly improved. In actual production, the packaging speed of this single-roller powder packaging machine can be stable at 80 bags / min ~ 120 bags / min, Zui high can reach 150 bags / min.

However, the advantages of the single-roller powder packaging machine are outstanding, and the disadvantages are also obvious, that is, the bag length cannot be freely changed and adjusted. Therefore, it is not suitable for companies that need to change product varieties frequently. At present, many food companies require high degree of automation and reasonable price for packaging machinery to meet the production requirements of small batches and varieties. To this end, Nets has developed a two-stage roller type NT-129 packaging machine driven by a servo motor. The machine has a high degree of automation. The display screen is installed on the control panel of the packaging machine, and the technical parameters such as the length of the bag can be adjusted. It is done directly on the screen and is extremely convenient to operate.

NT-238 and NT-239 roller type liquid pouch packaging machines manufactured by Nets are sealed with three-stage roller, * section is longitudinally sealed hot roller, and the second section is horizontally sealed hot roller. The third stage is a cooling seal roll. The third section of the cooling sealing roller is pressed under the condition that the transverse sealing has been heat-sealed, so as to make the horizontal sealing more firm, flat, beautiful and non-leakage. This not only greatly improved the product yield, but also achieved a packaging speed of 80 bags / min ~ 120 bags / min. This type of packaging machine has been widely used in cosmetics, instant noodles, pesticides and other industries, whether it is cost-effective, packaging speed, packaging quality or aesthetics, flatness, anti-leakage are vertical splint packaging machines and levels The splint packaging machine is unmatched!

From the development trend of roller-type pouch packaging machinery, there are two aspects worthy of attention: First, high-end, customers hope to complete as many production tasks as possible with as few people as possible; second, low-end, price is an important factor in market competition Who can complete the same packaging task at a lower price, who will be able to compete in an invincible position, which also requires equipment updates and technical improvements. In short, whether it is high-end or low-end. There is only one purpose: to meet the needs of customers. Therefore, for the end user of the bag packaging machine, the suitable one is good.

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